Home / 156,339.75-234,522.59-45,531.75

Finding the Fourth Proportional to 156,339.75, 234,522.59 and 45,531.75

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Solution

The fourth proportional to 156,339.75, 234,522.59 and 45,531.75 is: 68,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,339.75 : 234,522.59 = 45,531.75 : x
  2. Step 2: Convert to fraction form
    156,339.75/234,522.59 = 45,531.75/x
  3. Step 3: Cross multiply
    156,339.75x = 234,522.59 × 45,531.75
  4. Step 4: Simplify right side
    156,339.75x = 10,678,223,709.57
  5. Step 5: Solve for x
    x = 10,678,223,709.57/156,339.75
  6. Step 6: Final answer
    x = 68,301.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.